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Inversion Problems (Finding the Number Given the Result)

A number is m...

Question

A number is multiplied by 4 and 3 is subtracted from it, the result is 145. What is the number?

A

47

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B

37

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C

27

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D

57

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Solution

The correct option is B
37

(i) Take the result 145.

(ii) 3 is subtracted from it. So, Add 3 to 145. we get 148

(iii) It was Multiplied by 4. So, divide 148 by 4.we get 37.

Original number=37

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Inversion Problems (Finding the Number Given the Result)

Standard VIII Mathematics

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